diff options
| author | Tim Chen <tim-chen@quanta.corp-partner.google.com> | 2020-12-30 17:38:06 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-01-07 08:12:43 +0000 |
| commit | ed47332ff6511874191e5d1e95f2e6f3d01e5a35 (patch) | |
| tree | aa061b35d56769a998703c5a0ca7d9200b002bca /src | |
| parent | cd6998b810c68464c5fa28d60c9d0f8fe80679eb (diff) | |
mb/google/dedede/var/metaknight: Configure I2C high and low times
Configure the I2C bus high and low times for port0,2 and 4 I2C buses.
BUG=b:176519792
TEST=Measured the I2C bus frequency lower than 400 KHz.
Change-Id: Ieed038c93f0972c06cb3fa311742dd22ac2e875d
Signed-off-by: Tim Chen <tim-chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49014
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/dedede/variants/metaknight/overridetree.cb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/metaknight/overridetree.cb b/src/mainboard/google/dedede/variants/metaknight/overridetree.cb index 7034f5c273..89fece0e28 100644 --- a/src/mainboard/google/dedede/variants/metaknight/overridetree.cb +++ b/src/mainboard/google/dedede/variants/metaknight/overridetree.cb @@ -25,15 +25,33 @@ chip soc/intel/jasperlake }, .i2c[0] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, .i2c[1] = { .speed = I2C_SPEED_FAST, }, .i2c[2] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, .i2c[4] = { .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 190, + .scl_hcnt = 100, + .sda_hold = 40, + } }, }" |